Simple-living sect

AMISH

This religious group is known for rejecting modern technology and using horse-drawn buggies.

The clue "Simple-living sect" points to the Amish, a religious group known for rejecting modern technology and embracing a traditional, self-sufficient lifestyle. They live in close-knit communities, often farming without electricity or cars, which fits the idea of "simple living." The word "sect" refers to their distinct Christian subgroup, making "Amish" the perfect five-letter answer.